Add OpenJDK 27 ProblemList files to avoid missing fallback exclude files (#7138)

* Initial plan

* Add ProblemList_openjdk27 based on jdk26 excludes

* Add alpine ProblemList_openjdk27 by duplicating jdk26

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Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com>

Author: Copilot